
Harken 25mm Wire Cheek Block
Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. Part No. 301.
Sheave Ø (mm) | 25 mm |
Sheave Ø (in) | 1 in |
Weight (g) | 35 g |
Weight (oz) | 1.25 oz |
Maximum line Ø (mm) | 4 mm |
Maximum line Ø (in) | 5/32 in |
Fasteners (mm) | 5 RH mm |
Fasteners (in) | #10 RH in |
Maximum working load (kg) | 454 kg |
Maximum working load (lb) | 1000 lb |
Breaking load (kg) | 907 kg |
Breaking load (lb) | 2000 lb |
Footnote | Fasteners included |
Maximum wire Ø (in) | 3/32 in |
Maximum wire Ø (mm) | 2 mm |
We despatch all orders within 24 hours. Orders placed weekdays before 4pm will be shipped the same day.
Call us and speak to an expert on 0191 4297309 - (Mon - Fri / 9am - 5pm).
Pickup available at Marine Chandlery: North Shields
Usually ready in 1 hour

Harken 25mm Wire Cheek Block
Marine Chandlery: North Shields
Unit G4 Narvik Way
Tyne Tunnel Trading Estate
North Shields NE29 7XJ
United Kingdom

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. Part No. 301.
Sheave Ø (mm) | 25 mm |
Sheave Ø (in) | 1 in |
Weight (g) | 35 g |
Weight (oz) | 1.25 oz |
Maximum line Ø (mm) | 4 mm |
Maximum line Ø (in) | 5/32 in |
Fasteners (mm) | 5 RH mm |
Fasteners (in) | #10 RH in |
Maximum working load (kg) | 454 kg |
Maximum working load (lb) | 1000 lb |
Breaking load (kg) | 907 kg |
Breaking load (lb) | 2000 lb |
Footnote | Fasteners included |
Maximum wire Ø (in) | 3/32 in |
Maximum wire Ø (mm) | 2 mm |